speed and velocity converter

What is the international acronym for each of these two speed and velocity units?

Prefix or symbol for mile per hour is: mph

Prefix or symbol for speed of sound is: sea level

Technical units conversion tool for speed and velocity measures. Exchange reading in miles per hour unit mph into speed of sound unit sea level as in an equivalent measurement result (two different units but the same identical physical total value, which is also equal to their proportional parts when divided or multiplied).

How many speed of sound are contained in one mile per hour? To link to this speed and velocity - mile per hour to speed of sound units converter, only cut and paste the following code into your html.
The link will appear on your page as: on the web units converter from mile per hour (mph) to speed of sound (sea level)